Our 21x24x5 Rheem/Ruud (Protech 540014) replacement filters are specifically engineered to substitue for the OEM Rheem/Ruud 21x24x5 air filters. Filter Hut filters are MERV rated to ASHRAE 52.2 test grades assuring that our filters will function as good or better than the name brand part number (Protech 540014) filter. Our air filters are available in Odor Ban odor reducing carbon material. *OEM names are used for air filter replacement identification purposes only.
- 21 x 24.5 x 4. 5 nominal size.
- 20-3/4 x 24-1/4 x 4-3/8 actual size.
- Replaces Rheem/Ruud brand 21x24x5 part number: Protech 540014.
- Quality Filters Envaero brand.
- Engineered to replace the OEM filter.
- Filters framed and preassembled for ease of intallation. (No end caps needed, don't need expanded with combs, etc.)
MERV rated to ASHRAE standards.
- Available with Odor Ban odor eliminating carbon-infused properties.
- 2 air filters per case.